java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/regression/bpl/TestSpecificationRenaming-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:04:57,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:04:57,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:04:57,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:04:57,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:04:57,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:04:57,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:04:57,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:04:57,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:04:57,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:04:57,656 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:04:57,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:04:57,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:04:57,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:04:57,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:04:57,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:04:57,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:04:57,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:04:57,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:04:57,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:04:57,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:04:57,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:04:57,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:04:57,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:04:57,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:04:57,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:04:57,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:04:57,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:04:57,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:04:57,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:04:57,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:04:57,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:04:57,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:04:57,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:04:57,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:04:57,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:04:57,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:04:57,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:04:57,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:04:57,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:04:57,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:04:57,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:04:57,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:04:57,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:04:57,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:04:57,772 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:04:57,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSpecificationRenaming-unsafe.bpl [2019-08-05 12:04:57,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSpecificationRenaming-unsafe.bpl' [2019-08-05 12:04:57,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:04:57,813 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:04:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:04:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:04:57,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:04:57,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:04:57,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:04:57,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:04:57,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:04:57,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 12:04:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 12:04:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 12:04:58,010 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 12:04:58,127 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:04:58,128 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:04:58,129 INFO L202 PluginConnector]: Adding new model TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:58 BoogieIcfgContainer [2019-08-05 12:04:58,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:04:58,130 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:04:58,133 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:04:58,134 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:04:58,136 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:58" (1/1) ... [2019-08-05 12:04:58,148 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:04:58,152 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:04:58,164 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-05 12:04:58,175 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:04:58,177 INFO L184 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-05 12:04:58,340 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:04:58,341 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:04:58,345 INFO L178 IcfgInterpreter]: Location procErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 7#(and (not (= (+ proc_b 1) proc_d)) (<= 0 proc_a) (<= 0 proc_b) (= proc_c (+ proc_a 1))) [2019-08-05 12:04:58,346 INFO L178 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (<= 0 proc_a) (not (<= 0 proc_b))) [2019-08-05 12:04:58,364 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:04:58,368 INFO L168 Benchmark]: Toolchain (without parser) took 553.58 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 94.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:58,375 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory is still 111.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:04:58,379 INFO L168 Benchmark]: Boogie Preprocessor took 47.00 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 108.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:58,381 INFO L168 Benchmark]: RCFGBuilder took 266.99 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 99.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:58,384 INFO L168 Benchmark]: Symbolic Interpretation took 234.55 ms. Allocated memory is still 133.2 MB. Free memory was 99.7 MB in the beginning and 94.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:58,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: - UnprovableResult [Line: 17]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory is still 111.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.00 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 108.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.99 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 99.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 234.55 ms. Allocated memory is still 133.2 MB. Free memory was 99.7 MB in the beginning and 94.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...